Research
Register Shifts Break LLM Safety: A Bengali Benchmark with Culturally Grounded Harms
Naymul Islam, Nusrat Jahan Lia, Shubhashis Roy Dipta (equal first authors) et al.
2026
Cross-Lingual Sentiment Misalignment: Auditing Multilingual Language Models for Inversion Risk, Dialectal Representation, and Affective Stability
Nusrat Jahan Lia; Shubhashis Roy Dipta
mellm @ ACL 2026; Published: ACL Anthology2026
Read Between the Lines: A Benchmark for Uncovering Political Bias in Bangla News Articles
Nusrat Jahan Lia; Shubhashis Roy Dipta, PhD; Dr. Abdullah Khan Zehady; Naymul Islam; Madhusodan Chakraborty; Abdullah Al Wasif
Accepted: AACL IJCNLP BLP; Published: ACL Anthology2025
Exploring Cross-Lingual Knowledge Transfer via Transliteration-Based MLM Fine-Tuning for Critically Low-resource Chakma Language
Adity Khisa; Nusrat Jahan Lia; Tasnim Mahfuz Nafis; Zarif Masud; Tanzir Pial, PhD; Dr.Shebuti Rayana; Dr.Ahmedul Kabir
Accepted: AACL IJCNLP BLP; Published: ACL Anthology2025
Statistical Inference & Data Provenance Across 35 Countries
These were done during early undergrad. I was responsible for discovering patterns and findings across 35 countries. Some of which made it to publication, some others made it to project-level implementation, or presentations in places like WHO headquarters.
Adult Attitudes about School Smartphone Bans: A Global Survey of 35 Countries
Dimitri A. Christakis, MD, MPH; Nusrat Jahan Lia; Lauren Hale, PhD
Accepted, Published: The Journal of American Medical Association; doi: 10.1001/jamapediatrics.2025.57362025
Does Gaming Disorder Symptom Status Predict Poorer Sleep Quality?
Nusrat Jahan Lia; Lauren Hale, PhD; Justin Thomas, PhD; Dimitri A. Christakis, MD, MPH; Mamunar Rashid, PhD
Accepted: World Sleep 2025, Singapore2025
Does Spending "Too Much Time Online" Predict Sleep Health and Mental Health?
Lauren Hale, PhD; Nusrat Jahan Lia; Sohailul Islam Alvi; Gina Marie Mathew, PhD; Dimitri A. Christakis, MD, MPH; Mamunar Rashid, PhD; Yasmin Aljedawi; Melisa Valle, PhD
Accepted: Association of Professional Sleep Societies. Seattle, Washington, USA2025
International Public Opinion on Digital Media Use for Youth and Schools
Lauren Hale, PhD; Nusrat Jahan Lia; Sohailul Islam Alvi; Gina Marie Mathew, PhD; Dimitri A. Christakis, MD, MPH; Mamunar Rashid, PhD; Yasmin Aljedawi; Melisa Valle, PhD
Accepted: Digital Media and Developing Minds International Scientific Congress, Washington DC2025
Ongoing Work
A Difficulty-Parametric Diagnostic Benchmark for Tool-Using Agents with 11 Failure Attribution, including security collapse in a Simulated World
UMBC
When Confidence Becomes Misleading: Runtime Monitoring in Multi-Step LLM Agents
University of Utah